agenttesla | d655f6cc8549b757a52c8814dcdf84f248e66956d933b55cdb0fa891593ec3da

General

Target

FW CMA SHZ Freight invoice CHN1080769.exe
Size

683KB
MD5

3288dbaae811a799ea563988c0d78315
SHA1

48802f823b253a45d829b15bd0802db54ce35993
SHA256

e0e366834de34a6e93035842b46662c2b1b05d350c1218953f8faab632ead3ae
SHA512

fc6b2c90ad9c9f2b906a6247230d2f71a0cbe764b0e3ea2c67d49477fb4f81580dd96a5ba2e3d11e92b15f8421b48e8afd7bd06e6d5ee009b8babfc1acf9cc80
SSDEEP

12288:3I23I9uvcHdMFGNX/m7EA++tat0kanlWimxg8NBcHYPLICoPw896GpQkR:YYyK+wGGs+sY8283c4THew8EG9

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.springandsummer.lk
Port:
587
Username:
[email protected]
Password:
anu##323
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2752 powershell.exe
2524 powershell.exe

pid	process
2752	powershell.exe
2524	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FW CMA SHZ Freight invoice CHN1080769.exe

description pid process target process

PID 1640 set thread context of 1676 1640 FW CMA SHZ Freight invoice CHN1080769.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2588 schtasks.exe

description	pid	process	target process
PID 1640 set thread context of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe

pid	process
2588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

FW CMA SHZ Freight invoice CHN1080769.exeRegSvcs.exepowershell.exepowershell.exe

pid	process
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1640	FW CMA SHZ Freight invoice CHN1080769.exe
1676	RegSvcs.exe
1676	RegSvcs.exe
2752	powershell.exe
2524	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

FW CMA SHZ Freight invoice CHN1080769.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1640	FW CMA SHZ Freight invoice CHN1080769.exe
Token: SeDebugPrivilege	1676	RegSvcs.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2524	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

FW CMA SHZ Freight invoice CHN1080769.exe

description	pid	process	target process
PID 1640 wrote to memory of 2752	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2752	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2752	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2752	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2524	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2524	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2524	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2524	1640	FW CMA SHZ Freight invoice CHN1080769.exe	powershell.exe
PID 1640 wrote to memory of 2588	1640	FW CMA SHZ Freight invoice CHN1080769.exe	schtasks.exe
PID 1640 wrote to memory of 2588	1640	FW CMA SHZ Freight invoice CHN1080769.exe	schtasks.exe
PID 1640 wrote to memory of 2588	1640	FW CMA SHZ Freight invoice CHN1080769.exe	schtasks.exe
PID 1640 wrote to memory of 2588	1640	FW CMA SHZ Freight invoice CHN1080769.exe	schtasks.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe
PID 1640 wrote to memory of 1676	1640	FW CMA SHZ Freight invoice CHN1080769.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe
"C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HDTjheWPb.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDTjheWPb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp213.tmp"
2⤵
- Creates scheduled task(s)
PID:2588

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp213.tmp
Filesize
1KB

MD5
2fe09381557a5024960661ba90558621

SHA1
15a7583268d10cd5fda892f3220739b593b027f3

SHA256
26bb5e687569fbfce59b9b798422e51337ed0f6243bea9e818e714710199fd90

SHA512
4bab0ecbeab11c17dc841a76f6eaae8a363140c355bf74175cc01150b91e5f0acc0bcb448f2104bdd80c7adfb828197474966aff9e8bc57368c55236f91c7829

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0JTLJ5C67AVXI2K99PIQ.temp
Filesize
7KB

MD5
cb4ec0c1dba75eaf64e55523a30d0f9e

SHA1
594b1d36a78e6928419f7d9ed9dce52f6d220820

SHA256
dd64bfade1641504ccb0853f922fd37a8d1748cf8d622fd3eab31ea597a06a2b

SHA512
cf77533ad58ea1929be7b98c0aba4fec21940278042e7945d0d5557e52e90a78710ea5765751a56ca4cfdbe6109b885cb400d582228ce946dfa2868c7898d99d

Download Submit
memory/1640-4-0x0000000000B30000-0x0000000000B4A000-memory.dmp

Filesize
104KB

Download
memory/1640-3-0x0000000004310000-0x00000000043B2000-memory.dmp

Filesize
648KB

Download
memory/1640-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/1640-5-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/1640-6-0x00000000052E0000-0x0000000005364000-memory.dmp

Filesize
528KB

Download
memory/1640-7-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/1640-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/1640-1-0x0000000000DD0000-0x0000000000E7E000-memory.dmp

Filesize
696KB

Download
memory/1640-33-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/1676-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1676-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads